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I realize this is an old thread, but its one of the more informative on the subject. Where in the coil would be most preferable for the bulb of the cut in control. And also, with the other differences you mentioned, the physical characteristics of the control like Cap tube length and design. Some are coiled as others are just straight cap tube.

I realize this is an old thread, but its one of the more informative on the subject. Where in the coil would be most preferable for the bulb of the cut in control. And also, with the other differences you mentioned, the physical characteristics of the control like Cap tube length and design. Some are coiled as others are just straight cap tube.

As determined by design engineer. Unit is designed to operate as intended only when the correct cold control is installed in the location chosen by the designer. Cold controls are an indirect means of control, so the box will behave unpredictably when you start messing with the location or type of bulb.